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Hands would be warmed while the resulting luminescence would inform people far away. Wouldn't it be wonderful if it became an elegant performance that would color winter, like fireflies dancing or conductor's fingers freely controlling music? This is the concept of these ultra-thin gloves that make people take note of the wearer in the dark. Weaved into the fabric is a low-voltage sheet heating element and a carbon material that becomes luminescent when it is energized. Arm movements activate a power generator.